| Ferndale Entertainment Ltd | Real estate | 2015 |
| FG Mcfish Ltd | Health & social care | 2024 |
| FGC Limited | Information & communication | 2010 |
| FHG Limited | Real estate | 2003 |
| Fhoss International Limited | Manufacturing | 2019 |
| FHP Enterprises Limited | Administrative & support | 2011 |
| Field Design Consultants Ltd | Administrative & support | 1993 |
| Fiftymax Ltd | Professional & scientific | 2017 |
| FIL Limited | Real estate | 1989 |
| FIL24 Ltd | Transport & logistics | 2024 |
| Filly's Construction Ltd | Construction | 2025 |
| Finance My Property Ltd | Financial services | 2018 |
| Finbarr (UK) Limited | Administrative & support | 2007 |
| Find My Marketing Group Ltd | Professional & scientific | 2026 |
| Fine Colours 88 Ltd | Construction | 2019 |
| Finesse Gates & Fabrication Ltd | Manufacturing | 2024 |
| Finesse Solutions Groundworks Ltd | Construction | 2022 |
| Finishing Touch Bodyshop Limited | Wholesale & retail | 2013 |
| Finosa Ltd | Construction | 2021 |
| Finprotech Limited | Information & communication | 2019 |
| Finserv Experts Limited | Administrative & support | 2017 |
| Fintect Limited | Administrative & support | 2025 |
| Fire Doors Southwest Ltd | Construction | 2025 |
| Fireside Properties Ltd | Households | 2025 |
| First Class Comms Limited | Information & communication | 2013 |
| First Hand Features Limited | Information & communication | 2013 |
| First Step Housing Limited | Hospitality | 2001 |
| Five Highbury Parade MC Ltd | Households | 2025 |
| Five Lovers Walk (Management) Company Limited | Households | 1987 |
| FIX Auto Weston-Super-Mare Limited | Wholesale & retail | 2002 |
| Flames Takeaway Ltd | Hospitality | 2025 |
| Flare Software Ltd | Information & communication | 2002 |
| Flash Recovery SW Ltd | Transport & logistics | 2026 |
| Flaszmax Limited | Construction | 2025 |
| Flawless Interiors Limited | Construction | 2025 |
| Fleet 24 Ltd | Wholesale & retail | 2018 |
| Fleet Autocentre Ltd | Other services | 2018 |
| Fleet Facilities & Contracting Ltd | Administrative & support | 2019 |
| Fleet Group Ltd | Other services | 2019 |
| Flex Fitness Academy Ltd | Other services | 2014 |
| FLH Mortgage Services Ltd | Administrative & support | 2015 |
| Flitepath Technologies Limited | Information & communication | 2019 |
| Flollie Investments Limited | Health & social care | 2000 |
| Flood Risk Assessments Ltd | Extraterritorial | 2006 |
| Florescence Psychology Limited | Education | 2024 |
| Flow DTR Limited | Transport & logistics | 2025 |
| Flowcon-Southwest Limited | Construction | 2026 |
| Flowerdown Florals Ltd | Wholesale & retail | 2024 |
| Focus 2000 Infrared Limited | Administrative & support | 2003 |
| Folditkitchen Ltd | Hospitality | 2024 |
| Folkestone Court (Weston-Super-Mare) Maintenance Limited | Households | 1975 |
| Folly Farm Day Nursery Limited | Education | 2019 |
| Fonerevive Limited | Wholesale & retail | 2015 |
| Food Alchemist Ltd | Administrative & support | 2025 |
| Foot Health by Hannah Coles Limited | Health & social care | 2024 |
| Force Transport Ltd | Transport & logistics | 2026 |
| Forceplus Recruitment Ltd | Professional & scientific | 2026 |
| Ford Electrical Services Ltd | Construction | 2023 |
| Forlife Protection Ltd | Financial services | 2025 |
| Fortuna Exchange Limited | Wholesale & retail | 2003 |
| Foundation of European Nurses in Diabetes | Health & social care | 2009 |
| Four Leventes Ltd | Hospitality | 2021 |
| Four Oaks Projects Limited | Hospitality | 2017 |
| Four Prop Group Limited | Wholesale & retail | 2023 |
| FOUR5’S Submission Grappling Ltd | Arts & recreation | 2024 |
| FOX Ventilation Ltd | Manufacturing | 2025 |
| Foxhat Property Ltd | Professional & scientific | 2008 |
| Foxwood Associates (UK) Ltd | Professional & scientific | 2001 |
| Fpos Medics UK Ltd | Health & social care | 2015 |
| Frame: Design-Construct Limited | Construction | 2023 |
| Frames Bar Limited | Hospitality | 2003 |
| Frankford Mansions Management Company Limited | Households | 1997 |
| Franklin Air Conditioning Ltd | Construction | 2013 |
| Fraser Lewis Homes Ltd | Construction | 2022 |
| Frayling Enterprises Ltd | Manufacturing | 2018 |
| Free to BE Support Properties Limited | Construction | 2026 |
| Freehold Blocks Limited | Real estate | 2023 |
| Freetobe Support Ltd | Health & social care | 2022 |
| Freight Forge Ltd | Transport & logistics | 2024 |
| Freight International Limited | Transport & logistics | 2020 |
| Fresh Hair, Nails, Beauty & Aesthetics Ltd | Other services | 2026 |
| Fresh Start Cleaning Services SW Ltd | Administrative & support | 2026 |
| Fresh Start Recovery CIC | Real estate | 2026 |
| Fresh Weston Ltd | Wholesale & retail | 2017 |
| Freshford Mansions Management Company Limited | Households | 1984 |
| Frix Ltd | Information & communication | 2025 |
| Fromedale Property Services Ltd | Construction | 2025 |
| Front Room WSM Community Interest Company | Arts & recreation | 2023 |
| Front ROW Picturehouse Ltd | Information & communication | 2016 |
| Frontida Care Limited | Health & social care | 2025 |
| Frutex Care Ltd | Administrative & support | 2017 |
| FRY Days Fish Ltd | Hospitality | 2020 |
| Fryer Developments Ltd | Construction | 2015 |
| FSF Holdings Limited | Financial services | 2026 |
| FSR Team Ltd | Transport & logistics | 2019 |
| Fulco Properties Limited | Real estate | 2022 |
| Full Hearted Care Ltd | Administrative & support | 2025 |
| FUN Run and Bass CIC | Arts & recreation | 2026 |
| Funny Bunnies Limited | Education | 2019 |
| Fury Investments Ltd | Real estate | 2025 |